Home / 165,520.62-248,174.10-70,812.59

Finding the Fourth Proportional to 165,520.62, 248,174.10 and 70,812.59

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Solution

The fourth proportional to 165,520.62, 248,174.10 and 70,812.59 is: 106,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,520.62 : 248,174.10 = 70,812.59 : x
  2. Step 2: Convert to fraction form
    165,520.62/248,174.10 = 70,812.59/x
  3. Step 3: Cross multiply
    165,520.62x = 248,174.10 × 70,812.59
  4. Step 4: Simplify right side
    165,520.62x = 17,573,849,551.05
  5. Step 5: Solve for x
    x = 17,573,849,551.05/165,520.62
  6. Step 6: Final answer
    x = 106,173.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.